The three-wheeled Campagna T-Rex has been in production since 1995, featuring a variety of motorcycle engines to power it along the way, but Canada-based Campagna has never been able to sell it in the US as a street-legal vehicle. All that changed with the company's new owners. The T-Rex recently was certified here to be sold and registered for the street as a motorcycle, and we were able to test the latest model, the BMW-powered T-Rex 16S, around Southern California in May. We found it to be pa